Method of measuring a parameter of interest, inspection apparatus, lithographic system and device manufacturing method

A method of measuring a parameter of interest relating to a structure formed by a process on a substrate, and associated apparatuses. The method includes measuring the structure with measurement radiation including a first illumination acquisition setting (determining one or more selected from: a wa...

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Bibliographische Detailangaben
Hauptverfasser: Weiss, Nicolas Mauricio, Sanguinetti, Gonzalo Roberto, Vaessen, Jean-Pierre Agnes Henricus Marie
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method of measuring a parameter of interest relating to a structure formed by a process on a substrate, and associated apparatuses. The method includes measuring the structure with measurement radiation including a first illumination acquisition setting (determining one or more selected from: a wavelength, a polarization or an incident angle of the measurement radiation) to obtain a first measurement value for the structure. The method further includes estimating, by applying a correction model to the first measurement value, at least a second measurement value for the structure corresponding to measurement of the structure with a second illumination acquisition setting different from the first illumination acquisition setting.